protected override bool AuthorizeCore(HttpContextBase httpContext)
{
var Usermanager = HttpContext.Current.GetOwinContext().GetUserManager <ApplicationUserManager>();
var currentuser = Usermanager.FindByName(HttpContext.Current.User.Identity.Name);
var lst = httpContext.Request.RequestContext.RouteData.Values.Values.ToList();
object actionname = lst[1];
bool check = false;
check = Commonhelper.checkpermission(currentuser.Id, Action, Permission);
return(check);
//check your permissions
}